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author | James Bursa <james@netsurf-browser.org> | 2003-09-08 22:46:20 +0000 |
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committer | James Bursa <james@netsurf-browser.org> | 2003-09-08 22:46:20 +0000 |
commit | 74b71f82954f72aa47eaaca497f58c1815c5e3db (patch) | |
tree | 91de79b771f5ac38a3cc971a31a4baeaa0233e97 /riscos/htmlredraw.c | |
parent | 9fa8f4037af0f35e690fda48c16f9896c058a029 (diff) | |
download | netsurf-74b71f82954f72aa47eaaca497f58c1815c5e3db.tar.gz netsurf-74b71f82954f72aa47eaaca497f58c1815c5e3db.tar.bz2 |
[project @ 2003-09-08 22:46:20 by bursa]
Split out html_redraw().
svn path=/import/netsurf/; revision=271
Diffstat (limited to 'riscos/htmlredraw.c')
-rw-r--r-- | riscos/htmlredraw.c | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/riscos/htmlredraw.c b/riscos/htmlredraw.c new file mode 100644 index 000000000..d3ef7d500 --- /dev/null +++ b/riscos/htmlredraw.c @@ -0,0 +1,327 @@ +/* + * This file is part of NetSurf, http://netsurf.sourceforge.net/ + * Licensed under the GNU General Public License, + * http://www.opensource.org/licenses/gpl-license + * Copyright 2003 Phil Mellor <monkeyson@users.sourceforge.net> + * Copyright 2003 James Bursa <bursa@users.sourceforge.net> + */ + +#include <assert.h> +#include <stdbool.h> +#include <string.h> +#include "oslib/colourtrans.h" +#include "oslib/font.h" +#include "netsurf/content/content.h" +#include "netsurf/render/html.h" +#include "netsurf/riscos/gui.h" +#include "netsurf/utils/log.h" + +static void html_redraw_box(struct content *content, struct box * box, + signed long x, signed long y, os_box* clip, + unsigned long current_background_color, + signed long gadget_subtract_x, signed long gadget_subtract_y, + bool *select_on); + +void html_redraw(struct content *c, long x, long y, + unsigned long width, unsigned long height) +{ + bool select_on = false; + unsigned long background_colour = 0xffffff; + struct box *box; + + assert(c->data.html.layout != NULL); + box = c->data.html.layout->children; + assert(box); + + /* clear to background colour */ + if (c->data.html.background_colour != TRANSPARENT) { + colourtrans_set_gcol(c->data.html.background_colour << 8, + colourtrans_SET_BG | colourtrans_USE_ECFS, + os_ACTION_OVERWRITE, 0); + os_clg(); + background_colour = c->data.html.background_colour; + } + + html_redraw_box(c, box, x, y, clip, background_colour, x, y, + &select_on); +} + + +/* validation strings can't be const */ +static char validation_textarea[] = "R7;L"; +static char validation_textbox[] = ""; +static char validation_actionbutton[] = "R5"; +static char validation_actionbutton_pressed[] = "R5,3"; +static char validation_select[] = "R2"; +static char validation_checkbox_selected[] = "Sopton"; +static char validation_checkbox_unselected[] = "Soptoff"; +static char validation_radio_selected[] = "Sradioon"; +static char validation_radio_unselected[] = "Sradiooff"; + +static char select_text_multiple[] = "<Multiple>"; /* TODO: read from messages */ +static char select_text_none[] = "<None>"; + +static char empty_text[] = ""; + +void html_redraw_box(struct content *content, struct box * box, + signed long x, signed long y, os_box* clip, + unsigned long current_background_color, + signed long gadget_subtract_x, signed long gadget_subtract_y, + bool *select_on) +{ + struct box * c; + char* select_text; + struct formoption* opt; + + if (x + (signed long) (box->x*2 + box->width*2) /* right edge */ >= clip->x0 && + x + (signed long) (box->x*2) /* left edge */ <= clip->x1 && + y - (signed long) (box->y*2 + box->height*2 + 8) /* bottom edge */ <= clip->y1 && + y - (signed long) (box->y*2) /* top edge */ >= clip->y0) + { + +#ifdef FANCY_LINKS + if (box == g->link_box) + { + colourtrans_set_gcol(os_COLOUR_BLACK, colourtrans_USE_ECFS, os_ACTION_OVERWRITE, 0); + os_plot(os_MOVE_TO, x + box->x * 2, y - box->y * 2 - box->height * 2 - 4); + os_plot(os_PLOT_SOLID | os_PLOT_BY, box->width * 2, 0); + } +#endif + + if (box->style != 0 && box->style->background_color != TRANSPARENT) + { + colourtrans_set_gcol(box->style->background_color << 8, colourtrans_USE_ECFS, + os_ACTION_OVERWRITE, 0); + os_plot(os_MOVE_TO, (int) x + (int) box->x * 2, (int) y - (int) box->y * 2); + os_plot(os_PLOT_RECTANGLE | os_PLOT_BY, (int) box->width * 2, - (int) box->height * 2); + current_background_color = box->style->background_color; + } + + if (box->object != 0) + { + content_redraw(box->object, + (int) x + (int) box->x * 2, + (int) y - (int) box->y * 2, + box->width * 2, box->height * 2); + } + else if (box->gadget != 0) + { + wimp_icon icon; + LOG(("writing GADGET")); + + icon.extent.x0 = -gadget_subtract_x + x + box->x * 2; + icon.extent.y0 = -gadget_subtract_y + y - box->y * 2 - box->height * 2; + icon.extent.x1 = -gadget_subtract_x + x + box->x * 2 + box->width * 2; + icon.extent.y1 = -gadget_subtract_y + y - box->y * 2; + + switch (box->gadget->type) + { + case GADGET_TEXTAREA: + icon.flags = wimp_ICON_TEXT | wimp_ICON_BORDER | + wimp_ICON_VCENTRED | wimp_ICON_FILLED | + wimp_ICON_INDIRECTED | + (wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT) | + (wimp_COLOUR_WHITE << wimp_ICON_BG_COLOUR_SHIFT); + icon.data.indirected_text.text = box->gadget->data.textarea.text; + icon.data.indirected_text.size = strlen(box->gadget->data.textarea.text); + icon.data.indirected_text.validation = validation_textarea; + LOG(("writing GADGET TEXTAREA")); + wimp_plot_icon(&icon); + break; + + + case GADGET_TEXTBOX: + icon.flags = wimp_ICON_TEXT | wimp_ICON_BORDER | + wimp_ICON_VCENTRED | wimp_ICON_FILLED | + wimp_ICON_INDIRECTED | + (wimp_COLOUR_DARK_GREY << wimp_ICON_FG_COLOUR_SHIFT) | + (wimp_COLOUR_WHITE << wimp_ICON_BG_COLOUR_SHIFT); + icon.data.indirected_text.text = box->gadget->data.textbox.text; + icon.data.indirected_text.size = box->gadget->data.textbox.maxlength + 1; + icon.data.indirected_text.validation = validation_textbox; + LOG(("writing GADGET TEXTBOX")); + wimp_plot_icon(&icon); + break; + + case GADGET_ACTIONBUTTON: + icon.flags = wimp_ICON_TEXT | wimp_ICON_BORDER | + wimp_ICON_VCENTRED | wimp_ICON_FILLED | + wimp_ICON_INDIRECTED | wimp_ICON_HCENTRED | + (wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT); + icon.data.indirected_text.text = box->gadget->data.actionbutt.label; + icon.data.indirected_text.size = strlen(box->gadget->data.actionbutt.label); + if (box->gadget->data.actionbutt.pressed) + { + icon.data.indirected_text.validation = validation_actionbutton_pressed; + icon.flags |= (wimp_COLOUR_LIGHT_GREY << wimp_ICON_BG_COLOUR_SHIFT) | wimp_ICON_SELECTED; + } + else + { + icon.data.indirected_text.validation = validation_actionbutton; + icon.flags |= (wimp_COLOUR_VERY_LIGHT_GREY << wimp_ICON_BG_COLOUR_SHIFT); + } + LOG(("writing GADGET ACTION")); + wimp_plot_icon(&icon); + break; + + case GADGET_SELECT: + icon.flags = wimp_ICON_TEXT | wimp_ICON_BORDER | + wimp_ICON_VCENTRED | wimp_ICON_FILLED | + wimp_ICON_INDIRECTED | wimp_ICON_HCENTRED | + (wimp_COLOUR_BLACK << wimp_ICON_FG_COLOUR_SHIFT) | + (wimp_COLOUR_VERY_LIGHT_GREY << wimp_ICON_BG_COLOUR_SHIFT); + select_text = 0; + opt = box->gadget->data.select.items; + while (opt != NULL) + { + if (opt->selected) + { + if (select_text == 0) + select_text = opt->text; + else + select_text = select_text_multiple; + } + opt = opt->next; + } + if (select_text == 0) + select_text = select_text_none; + icon.data.indirected_text.text = select_text; + icon.data.indirected_text.size = strlen(icon.data.indirected_text.text); + icon.data.indirected_text.validation = validation_select; + LOG(("writing GADGET ACTION")); + wimp_plot_icon(&icon); + break; + + case GADGET_CHECKBOX: + icon.flags = wimp_ICON_TEXT | wimp_ICON_SPRITE | + wimp_ICON_VCENTRED | wimp_ICON_HCENTRED | + wimp_ICON_INDIRECTED; + icon.data.indirected_text_and_sprite.text = empty_text; + if (box->gadget->data.checkbox.selected) + icon.data.indirected_text_and_sprite.validation = validation_checkbox_selected; + else + icon.data.indirected_text_and_sprite.validation = validation_checkbox_unselected; + icon.data.indirected_text_and_sprite.size = 1; + LOG(("writing GADGET CHECKBOX")); + wimp_plot_icon(&icon); + break; + + case GADGET_RADIO: + icon.flags = wimp_ICON_SPRITE | + wimp_ICON_VCENTRED | wimp_ICON_HCENTRED; + if (box->gadget->data.radio.selected) + strcpy(icon.data.sprite, "radioon"); + else + strcpy(icon.data.sprite, "radiooff"); + LOG(("writing GADGET RADIO")); + wimp_plot_icon(&icon); + break; + + case GADGET_HIDDEN: + break; + } + LOG(("gadgets finished")); + } + + if (box->type == BOX_INLINE && box->font != 0) + { + +if (content->data.html.text_selection.selected == 1) +{ + struct box_position* start; + struct box_position* end; + + start = &(content->data.html.text_selection.start); + end = &(content->data.html.text_selection.end); + + if (start->box == box) + { + fprintf(stderr, "THE START OFFSET IS %d\n", start->pixel_offset * 2); + if (end->box == box) + { + colourtrans_set_gcol(os_COLOUR_VERY_LIGHT_GREY, colourtrans_USE_ECFS, 0, 0); + os_plot(os_MOVE_TO, + (int) x + (int) box->x * 2 + start->pixel_offset * 2, + (int) y - (int) box->y * 2 - (int) box->height * 2); + os_plot(os_PLOT_RECTANGLE | os_PLOT_TO, + (int) x + (int) box->x * 2 + end->pixel_offset * 2 - 2, + (int) y - (int) box->y * 2 - 2); + } + else + { + colourtrans_set_gcol(os_COLOUR_VERY_LIGHT_GREY, colourtrans_USE_ECFS, 0, 0); + os_plot(os_MOVE_TO, + (int) x + (int) box->x * 2 + start->pixel_offset * 2, + (int) y - (int) box->y * 2 - (int) box->height * 2); + os_plot(os_PLOT_RECTANGLE | os_PLOT_TO, + (int) x + (int) box->x * 2 + (int) box->width * 2 - 2, + (int) y - (int) box->y * 2 - 2); + *select_on = true; + } + } + else if (*select_on) + { + if (end->box != box) + { + colourtrans_set_gcol(os_COLOUR_VERY_LIGHT_GREY, colourtrans_USE_ECFS, 0, 0); + os_plot(os_MOVE_TO, + (int) x + (int) box->x * 2, + (int) y - (int) box->y * 2 - (int) box->height * 2); + os_plot(os_PLOT_RECTANGLE | os_PLOT_TO, + (int) x + (int) box->x * 2 + (int) box->width * 2 - 2, + (int) y - (int) box->y * 2 - 2); + } + else + { + colourtrans_set_gcol(os_COLOUR_VERY_LIGHT_GREY, colourtrans_USE_ECFS, 0, 0); + os_plot(os_MOVE_TO, + (int) x + (int) box->x * 2, + (int) y - (int) box->y * 2 - (int) box->height * 2); + os_plot(os_PLOT_RECTANGLE | os_PLOT_TO, + (int) x + (int) box->x * 2 + end->pixel_offset * 2 - 2, + (int) y - (int) box->y * 2 - 2); + *select_on = false; + } + } +} + + colourtrans_set_font_colours(box->font->handle, current_background_color << 8, box->style->color << 8, + 14, 0, 0, 0); + + font_paint(box->font->handle, box->text, + font_OS_UNITS | font_GIVEN_FONT | font_KERN | font_GIVEN_LENGTH, + (int) x + (int) box->x * 2, (int) y - (int) box->y * 2 - (int) (box->height * 1.5), + NULL, NULL, + (int) box->length); + + } + } + else + { + if (content->data.html.text_selection.selected == 1) + { + struct box_position* start; + struct box_position* end; + + start = &(content->data.html.text_selection.start); + end = &(content->data.html.text_selection.end); + + if (start->box == box && end->box != box) + *select_on = true; + else if (*select_on && end->box == box) + *select_on = false; + } + } + + for (c = box->children; c != 0; c = c->next) + if (c->type != BOX_FLOAT_LEFT && c->type != BOX_FLOAT_RIGHT) + html_redraw_box(content, c, (int) x + (int) box->x * 2, + (int) y - (int) box->y * 2, clip, current_background_color, + gadget_subtract_x, gadget_subtract_y, select_on); + + for (c = box->float_children; c != 0; c = c->next_float) + html_redraw_box(content, c, (int) x + (int) box->x * 2, + (int) y - (int) box->y * 2, clip, current_background_color, + gadget_subtract_x, gadget_subtract_y, select_on); +} + |